Linear frequency modulation device of laser

Abstract

The utility model discloses a laser linear frequency modulation device which comprises a linear frequency modulation device body, elastic rubber sleeves are bonded to the front end and the rear end of the outer surface of the linear frequency modulation device body, and elastic protruding strips are arranged on the outer surfaces of the elastic rubber sleeves. Arc-shaped elastic rubber plates are fixedly connected to the left end and the right end of the top of the linear frequency modulation equipment body, a fixed plate is fixedly connected to the bottom of the linear frequency modulation equipment body, movable grooves are formed in the left end and the right end of the fixed plate, and movable plates are arranged in inner cavities of the movable grooves. The linear frequency modulation equipment body can be positioned on a placed table top or table top, the situation that the linear frequency modulation equipment body falls accidentally is reduced to the maximum degree, even if the linear frequency modulation equipment body falls actually, the arc-shaped elastic rubber plates, the elastic protruding strips and the elastic rubber sleeves can play a role in effective buffering and damping protection, and the service life of the linear frequency modulation equipment body is prolonged. Damage to the linear frequency modulation equipment main body is avoided, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of linear frequency modulation, in particular to a laser linear frequency modulation device. Background Art

[0002] Laser refers to a device that can emit laser light, and linear frequency modulation (LFM) is a spread spectrum modulation technology that does not require a pseudo-random coding sequence. Since the bandwidth occupied by the linear frequency modulation signal is much larger than the information bandwidth, a large system processing gain can also be obtained. In order to better use the laser, a laser linear frequency modulation device is required.

[0003] At present, most of the existing laser linear frequency modulation devices do not have a protective structure, and are prone to falling due to accidents during use, which in turn causes damage to themselves and reduces their service life. To this end, we propose a laser linear frequency modulation device. Utility Model Content

[0004] The utility model aims to provide a laser linear frequency modulation device, which has the advantages of a protective structure and an anti-dropping function, and solves the problem that most laser linear frequency modulation devices do not have a protective structure and are prone to falling due to accidents during use, thereby causing damage to themselves and reducing their service life.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser linear frequency modulation device, comprising a linear frequency modulation device body, elastic rubber sleeves are bonded to the front and rear ends of the outer surface of the linear frequency modulation device body, and the outer surface of the elastic rubber sleeve is provided with elastic convex strips, the left and right ends of the top of the linear frequency modulation device body are fixedly connected with arc-shaped elastic rubber plates, the bottom of the linear frequency modulation device body is fixedly connected with a fixed plate, the left and right ends of the fixed plate are provided with movable grooves, the inner cavity of the movable groove is provided with a movable plate, the front and rear ends of the movable plate are provided with grooves, a spring is fixedly connected between one side of the inner cavity of the groove and one side of the inner cavity of the movable groove, one side of the movable plate is fixedly connected with a support plate, and the bottom of the support plate is fixedly connected with a stabilizing plate.

[0006] Preferably, a display screen is arranged at the left end of the front surface of the linear frequency modulation device body, heat dissipation vents are arranged on both the left and right sides of the linear frequency modulation device body, and operation buttons are arranged at the right end of the front surface of the linear frequency modulation device body.

[0007] Preferably, there are multiple elastic convex strips, and the longitudinal section of the elastic convex strips is semicircular.

[0008] Preferably, the front and rear sides of the inner cavity of the movable groove are both provided with limiting slide grooves, the front and rear sides of one end of the movable plate are both fixedly connected with limiting sliders, the limiting slider and the limiting slide groove are adapted, and the limiting slider slides on the inner side of the limiting slide groove.

[0009] Preferably, a non-slip rubber pad is bonded to the bottom of the stabilizing plate, and the thickness of the non-slip rubber pad is between three millimeters and one centimeter.

[0010] Preferably, the support plate and the stabilizing plate cooperate to form a T-shaped structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model can position the main body of the linear frequency modulation device on a desktop or table, thereby minimizing the possibility of the device accidentally falling. Even if it does fall, the arc-shaped elastic rubber plate, elastic convex strip and elastic rubber sleeve can effectively provide buffering and shock-absorbing protection, thereby avoiding damage to the main body of the linear frequency modulation device and increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0015] Figure 3 This is a schematic diagram of the matching structure of the movable plate and the spring of the utility model;

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the movable plate of the utility model.

[0017] In the figure: 1. Linear frequency modulation device body; 2. Arc-shaped elastic rubber plate; 3. Anti-skid rubber pad; 4. Stabilizing plate; 5. Support plate; 6. Elastic convex strip; 7. Elastic rubber sleeve; 8. Fixed plate; 9. Movable plate; 10. Limiting slider; 11. Groove; 12. Spring; 13. Limiting slide groove; 14. Movable groove; 15. Display screen; 16. Heat dissipation vent; 17. Operation button. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The linear frequency modulation device body 1, arc-shaped elastic rubber plate 2, anti-slip rubber pad 3, stabilizing plate 4, supporting plate 5, elastic convex strip 6, elastic rubber sleeve 7, fixing plate 8, movable plate 9, limiting slider 10, groove 11, spring 12, limiting slide groove 13, movable groove 14, display screen 15, heat dissipation port 16 and operation button 17 of the present application are all universal standard parts or parts known to technicians in this field, and their structures and principles can be known to technicians in this field through technical manuals or through conventional experimental methods.

[0022] See also Figure 1-4 A laser linear frequency modulation device comprises a linear frequency modulation device body 1, elastic rubber sleeves 7 are bonded to the front and rear ends of the outer surface of the linear frequency modulation device body 1, and elastic convex strips 6 are arranged on the outer surface of the elastic rubber sleeve 7, arc-shaped elastic rubber plates 2 are fixedly connected to the left and right ends of the top of the linear frequency modulation device body 1, a fixed plate 8 is fixedly connected to the bottom of the linear frequency modulation device body 1, movable grooves 14 are provided at the left and right ends of the fixed plate 8, and a movable plate 9 is provided in the inner cavity of the movable groove 14, grooves 11 are provided at the front and rear ends of the movable plate 9, a spring 12 is fixedly connected between one side of the inner cavity of the groove 11 and one side of the inner cavity of the movable groove 14, a support plate 5 is fixedly connected to one side of the movable plate 9, and a stabilizing plate 4 is fixedly connected to the bottom of the support plate 5.

[0023] A display screen 15 is provided at the left end of the front surface of the linear frequency modulation device body 1 , heat dissipation vents 16 are provided on both the left and right sides of the linear frequency modulation device body 1 , and an operation button 17 is provided at the right end of the front surface of the linear frequency modulation device body 1 .

[0024] Through the above technical solution, the heat dissipation requirement of the linear frequency modulation device body 1 is guaranteed by the arrangement of the heat dissipation port 16 .

[0025] There are a plurality of elastic ridges 6 , and the longitudinal section of the elastic ridges 6 is semicircular.

[0026] Through the above technical solution, the elastic convex strips 6 are provided to achieve the ability of buffering and shock absorption.

[0027] The front and rear sides of the inner cavity of the movable groove 14 are both provided with limiting slide grooves 13, and the front and rear sides of one end of the movable plate 9 are both fixedly connected with limiting sliders 10, the limiting sliders 10 are adapted to the limiting slide grooves 13, and the limiting sliders 10 slide on the inner side of the limiting slide grooves 13.

[0028] Through the above technical solution, the setting of the limiting slider 10 and the limiting slide groove 13 ensures the smooth movement of the movable plate 9 and limits the movement range of the movable plate 9.

[0029] The bottom of the stabilizing plate 4 is bonded with an anti-skid rubber pad 3 , and the thickness of the anti-skid rubber pad 3 is between three millimeters and one centimeter.

[0030] Through the above technical solution, the stability of the device can be improved by setting the anti-slip rubber pad 3.

[0031] The support plate 5 and the stabilizing plate 4 cooperate to form a T-shaped structure.

[0032] When in use, the movable plate 9 is driven by the support plate 5 to move outward in the movable groove 14 and stretch the spring 12, and then the elastic convex strip 6 on the outer surface of the elastic rubber sleeve 7 is brought into contact with the desktop or table top. After the support plate 5 is relaxed, the spring 12 can drive the movable plate 9 to shrink inward in the movable groove 14, and with the cooperation of the support plate 5 and the stabilizing plate 4 in a T-shaped structure, it can be stuck on both ends of the corresponding desktop or table top, and then the linear frequency modulation device body 1 can be positioned. If it falls accidentally, and with the cooperation of the elastic rubber sleeve 7, the arc-shaped elastic rubber plate 2 and the elastic convex strip 6, the linear frequency modulation device body 1 can be buffered and shock-absorbing, thereby improving the service life of the device.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser linear frequency modulation device, comprising a linear frequency modulation device body (1), characterized in that: Elastic rubber sleeves (7) are bonded to the front and rear ends of the outer surface of the linear frequency modulation device body (1), and the outer surface of the elastic rubber sleeve (7) is provided with elastic convex strips (6). The left and right ends of the top of the linear frequency modulation device body (1) are fixedly connected to arc-shaped elastic rubber plates (2). The bottom of the linear frequency modulation device body (1) is fixedly connected to a fixed plate (8). The left and right ends of the fixed plate (8) are provided with movable grooves (14). The inner cavity of the movable groove (14) is provided with a movable plate (9). The front and rear ends of the movable plate (9) are provided with grooves (11). A spring (12) is fixedly connected between one side of the inner cavity of the groove (11) and one side of the inner cavity of the movable groove (14). One side of the movable plate (9) is fixedly connected to a support plate (5), and the bottom of the support plate (5) is fixedly connected to a stabilizing plate (4).

2. A laser linear frequency modulation device according to claim 1, characterized in that: A display screen (15) is provided at the left end of the front surface of the linear frequency modulation device body (1), heat dissipation vents (16) are provided on both the left and right sides of the linear frequency modulation device body (1), and an operation button (17) is provided at the right end of the front surface of the linear frequency modulation device body (1).

3. A laser linear frequency modulation device according to claim 1, characterized in that: The elastic convex strips (6) are multiple in number, and the longitudinal section of the elastic convex strips (6) is semicircular.

4. A laser linear frequency modulation device according to claim 1, characterized in that: The movable groove (14) has limit slide grooves (13) on both the front and rear sides of the inner cavity, and the limit slide block (10) is fixedly connected to the front and rear sides of one end of the movable plate (9). The limit slide block (10) and the limit slide groove (13) are matched, and the limit slide block (10) slides on the inner side of the limit slide groove (13).

5. The laser linear frequency modulation device according to claim 1, characterized in that: The bottom of the stabilizing plate (4) is bonded with an anti-skid rubber pad (3), and the thickness of the anti-skid rubber pad (3) is between three millimeters and one centimeter.

6. The laser linear frequency modulation device according to claim 1, characterized in that: The support plate (5) and the stabilizing plate (4) cooperate to form a T-shaped structure.

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